refs #299, dockable widgets improvements

* preferred size instead of a auto adjustment for floatable widgets
* hack for hiding the tabbar (it still cosnumes space)

src/blackgui/dockwidget.h

@@ -12,6 +12,7 @@
 #ifndef BLACKGUI_DOCKWIDGET_H
 #define BLACKGUI_DOCKWIDGET_H
 
+#include "components/runtimebasedcomponent.h"
 #include <QDockWidget>
 #include <QTabWidget>
 #include <QMenu>
@@ -50,9 +51,6 @@ namespace BlackGui
         //! Margins when widget is floating
         void setMarginsWhenDocked(int left, int top, int right, int bottom) { this->m_marginsWhenDocked = QMargins(left, top, right, bottom); }
 
-        //! Auto adjust size when floating
-        void setAutoAdjustWhenFloating(bool autoAdjust) { this->m_autoAdjustWhenFloating = autoAdjust; }
-
         //! Window title backup
         const QString &windowTitleBackup() const { return this->m_windowTitleBackup; }
 
@@ -62,6 +60,15 @@ namespace BlackGui
         //! Show the window title when docked
         void showTitleWhenDocked(bool show);
 
+        //! Reset first time floating
+        void resetWasAlreadyFLoating() { this->m_wasAlreadyFloating = false; }
+
+        //! Was widget already floating
+        bool wasAlreadyFloating() const { return this->m_wasAlreadyFloating; }
+
+        //! Size when floating
+        void setPreferredSizeWhenFloating(const QSize &size) { this->m_preferredSizeWhenFloating = size; }
+
     public slots:
         //! Toggle floating
         void toggleFloating();
@@ -101,10 +108,15 @@ namespace BlackGui
         QMargins m_marginsWhenDocked;   //!< Offsets when window is floating
         QString m_windowTitleBackup;    //!< original title, even if the widget title is deleted for layout purposes
         bool m_windowTitleWhenDocked = true;
-        bool m_autoAdjustWhenFloating = true;
+        bool m_wasAlreadyFloating = false;
+        QSize m_preferredSizeWhenFloating;
 
         //! Empty widget with no size
         void initTitleBarWidgets();
+
+        //! Find all embedded runtime components
+        QList<QWidget *> findEmbeddedRuntimeComponents() const;
+
     };
 
 } // namespace